Related Questions

The current due to electron flow in conduction band is the hole current in valence band.
A Equal to
B Less than
C Greater than
D Any of the above
The impurity level in an extrinsic semiconductor is about of pure semiconductor.
A 10 atoms for 108 atoms
B 1 atom for 108 atoms
C 1 atom for 104 atoms
D 1 atom for 100 atoms
As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor ___________
A Remains the same
B Increases
C Decreases
D None of the above
নিম্নের কোনটি p-টাইপ অর্ধপরিবাহীতে n-টাইপ অর্ধপরিবাহীর তুলনায় বেশি আছে? (Which of the following does a p-type semiconductor have more compared to an n-type semiconductor-)  
A মোট ধনাত্মক আধান (total positive charge)
B মোট আধান (total charge)
C ইলেকট্রন ঘনত্ব (density of electrons)
D হোল ঘনত্ব (density of holes)
At room temperature the current in an intrinsic semiconductor is due to
A Holes
B Electrons
C Ions
D Holes and electrons
Heat conduction in gases is due to
A Elastic impact of molecules
B Movement of electrons
C EM Waves
D Mixing of gases
The conduction of electricity, in semiconductors, takes place due to movement of
A Positive ions only
B Negative ions only
C Positive and negative ions
D Electrons and holes
In conductors conduction of electricity takes place due to movement of
A Electrons only
B Positive ions only
C Negative ions only
D Positive and negative ions
A person travels I2 km due north, then 15 km due east after that I5km due west and then 18 km due south. How far B she from the starting point?
A 6km
B 10km
C 33km
D 60km
সুপরিবাহী পদার্থে Valence Band এবং conduction band-
A আলাদা থাকে
B ওভারল্যাপ থাকে
C অনেক দূরে থাকে
D কোনটিই নয়

Next steps